C31231211113313112133313331311331333133313331333133313331333133313231131331   >>    C3123121111331311213331333131133133313331333133313331333133313331323113133   <<    C31231211113313112133313331311331333133313331333133313331333133313231131333   >>      C31231211113313112133313331311331333133313331333133313331333133313231131332   >>